| （単位：百万円） | 売上高 | 前年比（％） |
|---|---|---|
| 2025/5 | 23,768 | +27.7% |
| 2024/5 | 18,609 | +17.9% |
| 2023/5 | 15,777 | -8.0% |
| 2022/5 | 17,158 | -2.3% |
| 2021/5 | 17,558 | -5.8% |
| 2020/5 | 18,639 | -2.3% |
| 2019/5 | 19,084 | -12.4% |
| 2018/5 | 21,788 | +0.5% |
| 2017/5 | 21,678 | +11.0% |
| 2016/5 | 19,537 | +16.5% |
| 2015/5 | 16,768 | -8.8% |
| 2014/5 | 18,387 | +8.1% |
| 2013/5 | 17,012 | -18.9% |
| 2012/5 | 20,973 | - |